triploid

American  

[trip-loid] / ˈtrɪp lɔɪd /

adjective

1. having a chromosome number that is three times the basic or haploid number.

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noun

1. a triploid cell or organism.

triploid British  

/ ˈtrɪplɔɪd /

adjective

1. having or relating to three times the haploid number of chromosomes

   a triploid organism

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noun

1. a triploid organism

Other Word Forms

• triploidy noun

Etymology

Origin of triploid

First recorded in 1910–15; tri- + -ploid

Example Sentences

Salmon can be sterilized by making them triploid, typically by pressurizing newly fertilized embryos in a steel tank when the chromosomes are replicating.

From Science Magazine • Nov. 19, 2020

Searching for a super gene Unlike humans, who are diploid, meaning we have two sets of each of our chromosomes except for our sex chromosomes, bananas are triploid.

From Scientific American • Jul. 1, 2014

Fisheries also purchased from private growers more than 50,000 triploid trout averaging 1½ pounds apiece to be planted in hundreds of lakes and ponds.

From Seattle Times • Apr. 19, 2014

The triploid oyster, as it is called, is bred to be sterile and planted by farmers.

From Washington Post • Nov. 19, 2013

The triploid apple needs to be pollinated by the diploid variety.

From Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952 by Northern Nut Growers Association